Y = (a-d)/(1+(b/c)^x)求导dy/dx
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Y = (a-d)/(1+(b/c)^x)求导dy/dx
Y = (a-d)/(1+(b/c)^x)求导dy/dx
Y = (a-d)/(1+(b/c)^x)求导dy/dx
Y=-(a-d)*(x*(b/c)^x-1)
1.计算阶行列式1+a1 a2 a3 .ana1 1+a2 a3 .ana1 a2 1+a3.an....a1 a2 a3 .1+an证明下列等式x y z w a b c d |x+w y+z|| x-w y-z| d c b a =|a+d b+c|| a-d b-c|w z y xx y z w a b c d |x+w y+z|| x-w y-z| d c b a =|a+d b+c|
设A={(x,y)}|3x+2y|.设A={(x,y)}|3x+2y|.B={(x,y)|x-y=2|},C={(x,y)|2x-2y|=3},D={(x,y)|6x+4y=2|},求A∩B,B∩C,A∩D设A={(x,y)|3x+2y=1}.B={(x,y)|x-y=2},C={(x,y)|2x-2y=3},D={(x,y)|6x+4y=2},求A∩B,B∩C,A∩D
已知a与b互为相反数,c与d互为倒数,x=3(a-1)-(a-2b) y=c^2d-[(d/c)+c-1],求2x+y/x-y加上3x-2y/y-x y=c^2d+d^2-[(d/c)+c-1],
已知x/a-b=y/b-c=1/c-a,则x+y的值等于( ) A.0 B.-1 C.1 D.0.5
y(x+y)+(x+y)(x-y)-x² 提公因式 1.y(x+y)+(x+y)(x-y)-x的平方2.x(b+c-d)-y(d-b-c)-2c+2d-2b3.2(a-3)平方-a+34.6a(b-a)平方-2(a-b)立方5.x(b+c-d)-y(d-b-c)-2c+2d-2b6.不解方程组2x+y=6 求代数式7y(x-3y)平方-2(3y-x)立方 x-3y=1
2a-(3d-a)+2b;(a+b)-(-b+c);3(x-2y)-2(3x-y)其中X=1Y=2/1
y=(1-x的平方)平方的导数是?若a>b,c>d,则下列关系错误的是()A.a+c>b+d B.a-b>b-c C.ac>bd D.a(c-d)
已知a与b互为相反数,c与d互为倒数,x=3(a-1)-(a-2b) y=c^2d-[(d/c)+c-1] 求(2x+y)/3-(3x-2y)/6
已知a&b互为相反数,c&d互为倒数,x=3(a-1)-(a-2b),y=c+d^2-[(d/c)+c-1],求[(2x+y)/3]-[(3x-y)/6]的值
a、b互为相反数,c、d互为倒数,|x|=2,y=1,x
交集,并集的题A={(x,y)|3x+2y=1},B={(x,y)|x-y=2},C={(x,y)|2x-2y=3},D={(x,y)|6x+4y=2},求A∩B,B∩C,A∩D,B∩D
若(-x+y)·A=x²+y²,则A等于 过程最好清晰A.-x-y B.-x+y C.x-y D.x+y
已知a和b互为相反数,c和d互为倒数,x=3(a-1),y=c²d+d²-(d/c+c-1).求2x+y/3-3x-2y/6
已知ab互为相反数,c与d互为倒数,x=4(a-2)-(a-3b),y=c²d+d²-(d/c+c-1),求(x+y)/4-(3x-5y)/8的
已知ab互为相反数,c与d互为倒数,x=4(a-2)-(a-3b),y=c²d+d²-(d/c+c-1),求(x+y)/4-(3x-5y)/8的
已知:a+b=0,cd=1,x=4(a-2)-(a-3b),y=c²d+d²-(d/c+c-1),求(x+y)/4-(3x-5y)/8的值
main() { int a,b,c,d,e; int x=5,y=6; a=1,b=2; c=(a+x)>(b+y); d=(x=4)(b+y);d=(x=4)b);e=d=(a>b);printf(%d %d %d
,c,d,e);d=(xb>a);c=(xa);printf(%d %d %d
,d,e,c);}谁可以帮我运行下啊,看哪里错了?
以知a与b互为相反数,cd互为倒数,X=3*(a-1)-(a-3b)Y=c*c+b*b-(d/c+c-1)求(2X+Y)/3-(3X-2Y)/6的值